Celtic Male Names of Ireland

Celtic Male Names of Ireland

Abbαn — (A-bahn or ah-BAN) "little abbot".
Abram — (A-brahm) "high father"; version of Abraham. Αbraham.
Achaius — form of Eochaidh.
Adair — (Ah-dare) "from the ford by the oak trees". Adare.
Adam — (H) "son of the red earth". Adhamh (A-thuhv). Anglicized version of Irish Gaelic Αdhamh; Scottish Gaelic Αdhamh. Pet form: Adie.
Adamnan — "the timid one" or "little Adam"; name of an abbot of Iona. Awnan, Adomnan, Adhamhan.
Adrian — "of the Adriatic"; from original form Latin Hadrianus. Aidrian.
Aed — derived from the word aedh "fire"; common in early Ireland; name of several early saints, and four Ui Neill High Kings.
Aedan — (EH-thahn) dim. form of Aed. St. Aodhan of Fern performed many miracles, including healing the lame and blind son of a British king.
Aeducan — common dim. form of Aed in medieval Ireland. Aodhagan.
Aeneas — "worthy of praise"; anglicization of Aengus. Aenιas.
Aghy — form of Eochaidh.
Ahern — "lord of the horses".
Aichlinn — possibly a form of Echlin.
Aidan — (AY-den)(Celt) "flame, fire, fiery"; derived from word aedh "fire". Edan, Aodhan (EH-thahn); anglicized form of Irish Aodαn; dim. of Aodh; Edan.
Ailbe — (AL-vyuh or AL-fe)(OGer) "noble, bright". Ailbhe, Alvy, Albert.
Ailbhe — (AL-vee) from Celtic albho "white". Ailbe, Alby, Albert, Ailbhis (AL-vis).
Ailbhis — (AL-vis) 6th C. Irish saint; perhaps a form of Ailbhe. Anglecized as Elvis.
Ailfrid — (AL-frid) Irish Gaelic form of Alfred, from OE ζlf "elf, supernatural being" + rζd "counsel".
Ailill — (AL-ill) "sprite"; name of a legendary king of Connacht and husband of Medb.
Ailνn — (A-lin or ay-LEEN)(Gael) derived from Old Irish ail "noble". Alan, Allen.
Aindrιas — (AHN-dree-ahs) "manly"; Irish form of Andrew. Aindrea, Aindrias, Aindriϊ.
Ainmire — (AHN-meer?) "great lord".
Ainsley — (AYNS-lee) "one's own meadow"; occasionally used as a female name; probably originally a local name, either Annesley in Nottinghamshire, from Old English An "one, only" + leah "wood or clearing"; or Ansley in Warwickshire, from OE ansetl "hermitage" + leah. Ainslee.
Alan — "handsome" or "peaceful".
Alaois — (A-leesh)(Teut) "mighty battle". Aloys, Aloysius, Alabhaois.
Alastar — (AH-lah-star) Irish form of Greek Alexander, introduced to Ireland via Scotland; modern Gaelic form Alasdair. Alistair, Allister, Alister, Alastir, etc.
Albany — from Fionn, from find "white, fair"; anglicized as Albany from Latin albus "white".
Albert — (OGer) "noble, bright". Ailbe, Alby.
Albion — (AL-be-on)(Celt) "mountain".
Alby — (al-bee) anglicized from of Ailbhe.
Alexander — (Gr) "helper or defender of mankind". Alex, Alick, Alsandair, Alsander, Alastrom, Alastrann.
Allister — (Gr) "defender of mankind". Alastar, Alistair, etc.
Alphonsus — Irish; Latinized form of Alfonso, used as an equivalent of Gaelic name Anluan. Uncertain origin, could be composed of an intensive prefix + an element meaning "hound" or "warrior". Pet forms Fonsie, Fonso.
Alpin — "attractive".
Alsandair — (AHL-san-dare) Irish form of Alexander.
Amargein — (aw-VEER-een) from Old Irish ama "singing, song" + gein "birth". Most celebrated bearer of the name was the druid poet and judge of the Sons of Mil, legendary ancestor(s) of the Irish. He pronounced the first judgment given on Irish soil, and his magic ensured that the Sons of Mil would triumph over the Tuatha De Danann. A traditional name in the O'Cleary family.
Ambrσs — Irish Gaelic form of English Ambrose, from Greek Ambrosios "immortal". The surname MacAmbrois is anglicized as McCambridge.
Amhlaoibh — (A-leev)(Norse) "ancestral relic"; IrGael form of Olaf, an Old Norse name introduced to Ireland by Viking settlers. Anglicized Auliffe, Olave, Auliff, Humphrey.
Angus — "unique choice, chosen one, unique strength". Scottish and Irish; anglicized form of Gaelic Aonghus/Aonghas (EUN-eu-uss), composed of Celtic elements meaning "one" and "choice". Name of an old Celtic god, and is first recorded as a personal name in Adomnan's "Life of St. Columba," where it occurs in the form Oinogus(s)ius as the name of a man for whom the saint prophesied a long life and a peaceful death. Almost certainly the name of an 8th C. Pictish king variously recorded as Omnust and Hungus. Aengus, Aonghus, Aonghas, Enos, Oengus, Ungus. Short form Gus; pet form Angie; feminine form Angusina.
Annraoi — (AHN-ree)(Teut) "ruler of an estate". Henry, Harry.
Anrai — Irish Gaelic form of Henry. Einrν.
Antain(e) — Irish Gaelic cognate of English Anthony.
Antoine — (AN-ton)(L) "inestimable". Anntoin, Antoin.
Aodh — (EH or AY) from Old Irish aed "fire". Another name for the god The Dagda in Irish myth. Borne by six high kings and twenty saints in early Ireland. Name of two Irish rebels in Queen Elizabeth I's time, Aogh (Hugh) O'Neill and Aodh Rua (Red Hugh) O'Donnell. Anglicized as Hugh, Ea.
Aodhan — (EH-dawn or AY-dawn) version of Old Irish Aedan, dim. of aed "fire". Aedan was the name of 21 early Irish saints. Popular name, often anglicized as Aidan (AY-dahn).
Aodhfin — (EH-fin or AY-fin) "white fire".
Aonghus — (AYNG-ghus) from Old Irish oen "one" + gus "vigor". In Irish myth, Oengus was a god of youth and love, the son of the goddess Boand and god Dagda Oengus Tirech was the name of a legendary hero, said to be the ancestor of the O'Briens an MacNamaras. Five saints, including Oengus Ceile De bore this name. Angus.
Ardal — (AHR-dawl) from Old Irish art "bear" + gal "fury, valor"; also from Old German "eagle power". A version of Arnold; Irish anglicized form of Gaelic name Ard(gh)al, from ard "high" or art "bear" + gal "valour". Artegal, Arthgallo.
Ard-Greimne — "high power"; father of Scathach and Aoife.
Arlen — "pledge". Arland, Arlyn.
Αrσn — possibly "high mountain"; Irish version of Aaron.
Art — (ART) from Old Irish art "bear". Ancient Irish name, not a nickname for English Arthur (but both derive from a common Indo-European bear word arth). In legend, Art Oenfer (Art the Lonely) was a high king of Ireland and father of Cormac mac Airt. A later, historical Art, Art McMurrough, was a medieval king of Leinster who fought the English. Both Irish and Scottish, now as an informal shortening of Arthur. Artagan.
Artϊr — (AR-toor) "noble, bear man". Irish form of Arthur, first recorded in Ireland in the 9th C. Artair, Arthur, Artus, Arth, Art, Atty.
Auliffe — (AW-lif) Irish anglicized form of Amhlaoibh.
Austin — (L) "venerable". Αguistνn (AH-guhs-teen).

Bain — (BAYN) short version of Bainbridge, "fair bridge".
Bainbridge — "fair bridge".
Baird — (BAYRD) "bard, poet, ballad singer, traveling minstrel". Bairde, Bar, Bard, Barr.
Bairre — (BAW-re) form of names Bearach and Finnbarr, also used as a name in its own right; anglicized as Barry; Barra.
Bairrfhionn — (BAR-fin)(Celt) "fair-haired" or "good marksman". Barrfind, Barram, Barre, Barra, Bairre, Barry.
Bairtlemιad — Irish Gaelic form of Bartholomew.
Banning — "fair and small".
Barclay — Scottish, Irish; transferred use of the Scottish surname, which was taken to Scotland in the 12th C. by Walter de Berchelai, who became a chamberlain of Scotland in 1165. Probably derived from Berkeley in Gloucestershire, which is from OE beorc "birch tree" + leah "wood or clearing". In Ireland, its been anglicized in the form of Parthalαn.
Barra — (Celt) "good marksman". Bearach (BAHR-akh), Bearchan, Barry.
Barram — version of Barrfhionn.
Barry — "spearman". Irish anglicized form of Gaelic name Barra (Old Irish Bairre), a short form of Fionnb(h)arr (see Finbar). Pet forms: Baz, Bazza (Australia).
Bartel — (Aramaic) "ploughman". Bartholomew.
Bartley — (Aramaic) "ploughman". Barclay, Berkley, Parthalan.
Batt — from Bartley (Aramaic) "ploughman". Bat.
Beacαn — (BE-kawn or BA-kawn) from Old Irish bec "little, small" + dim. -an. St. Becan founded a monastery in Westmeath in the 6th C. Becan.
Beagan — "small" or "little one".
Bearach — (BA-rak) from Old Irish berach "pointed, sharp". Berach was the name of many Irish saints, including the patron siant of the O'Hanlys. Berach.
Bearchan — (BAR-uh-kawn or BAR-uh-hawn) Dim. of Bearach. Common name in early Ireland; name of numerous saints, including Bearchan of Inishmore in Galway, whose feast day is April 6.
Bearnαrd — (BEHR-nard)(OGer) "having the courage of a bear". Barney; Irish, Scottish Gaelic form of Bernard.
Beartlaidh — (BEHRT-lee)(Aramaic) "ploughman". Bartley.
Belenus — (bel-eh-nuss) name of a sun and fire god similar to Greek Apollo and connected with the druids. His name is seen in Beltane, the May 1 festival.
Benen — (BEH-non)(L) "blessed". Beineσn (BEH-non), Bineαn (BIN-ahn).
Bevan — (Celt) "youthful warrior".
Blaine — (BLAYN) "thin" or "lean". Blain, Blane, Blayne.
Blair — "plain" or "field". Blaire, Blayre.
Blathmac — (BLAW-vak) from Old Irish blath "flower" + mac "son". Popular in early Ireland. Blathmacc mac Con Brettan was an 8th C. poet.
Bodb — (BOVE) Bodb the Red was a son of The Dagda and suceeded his father as king of the Tuatha De Danann. At Lough he had a sidhe, underground fairy palace.
Bogart — "bog" or "marshland".
Bowen — "son of Owen".
Bowie — (BOO-ee)(Gael) "yellow-haired, blonde". Bow, Boyd.
Brady — "spirited". Bradaigh.
Bram — (BRAHM) "raven". Irish form of Abraham. Abracham.
Bran — (BRAWN) from Old Irish bran "raven". Bran was the name of a pagan Celtic god in both Irish and Welsh myth. Popular in the Middle Ages.
Brandubh — (BRAWN-doov) from Old Irish bran "raven" + dubh "black". Name of a medieval king of Leinster and 2 saints.
Brasil — (Celt) "battle, brave, strong in conflict". Breasal, Basil, Brazil.
Brιanainn — (BREH-neen)(Celt) "sword". Brendan, Breandαn.
Breandan — (BRAWN-dan) Poss. a borrowing of Welsh word brenhin "king or prince". In the medieval Latin tale, The Voyage of Saint Brendann, the 6th C. Irish saint known as Brendan the Navigator explored regions perhaps as far as N. America in a leather-clad boat, or curragh; Brendan; Brendis, Brannon, Bryn, Breanainn (BREH-neen).
Breasal — (BREE-sal) "land of the young" or "land of the blessed". Hi Breasil was another name for Tir-na-Nog.
Brendan — (Gael) "raven". Bran, Bram, Broin (bree-AHN), Brennan.
Breck — "freckled". Brec, Brexton.
Bress — son of Elathan of the Fomors who married the goddess Brighid. The Fomors were a sea-dwelling race who opposed the Tuatha De Danann over Ireland and lost.
Bret — (Celt) "from Brittany".
Brett — (Celt) "native of Brittany". Britt.
Brian — (BREE-an or BRI-an) Of uncertain derivation, poss. from Celtic brig "high, noble"; "the strong". In Irish myth, Brian was one of the three sons of the goddess Danu of the Tuatha De Danaan. High King Brian Boru ruled Ireland from 1002-1014 and defeated the Vikings at the battle of Clontarf. Brant, Brien, Bron, Bryon, Bryan, Bryant.
Bricriu — (bree-cri-oo?) a mischief-maker at the court of Conchobar, where he instigated a rivalry among the heroes Cu Chulainn, Conall, and Loegaire.
Brody — (bro-dee) "man from the muddy place, ditch".
Brogan — St. Brogan was scribe to St. Patrick during his meeting with the Fianna. Broccan.

Caeoimhin — (kwee-veen?) "gentle". Caemgen.
Cahan — derived from cath "battle" or "warrior".
Cailean — (KAL-lan)(Gael) from Gaelic word for "child". Cailan, Colin.
Cairbre — (KAHR-bre or KAHR-bruh) "charioteer". First legendary Sons of Mil to settle in Ireland. Two noted saints by this name: Bishop of Assaroe and Bishop of Moville. Carbry.
Caireall — (KAHR-ull) name of several Irish saints. Cairell, Carroll.
Cairpre — (KAIR-pre) the legendary Cairpre was the chief bard of the Tuatha De Danann and son of the god Ogma. Cairpre Liffechair wiped out the Fianna at the battle of Gabhra where he killed Fionn's grandson.
Calbhach — (KAL-vah) from the word meaning "bald". Calvagh.
Caley — (KAY-lee) "slender"; alternate Irish form of Caleb.
Calhoun — (KAHL-hoon) "warrior" or "narrow woods". Coillcumhann, Colquhoun.
Callough — (KAHL-uh) "bald". Calvagh, Calbhach (KAHL-ahkh).
Caoilte — (KWEEL-te) In legend, Cailte was a member of Finn mac Cumaill's warrior band. In medieval tale Colloquy of the Ancients, Cailte returned from the otherworld to tell St. Patrick stories of Finn and other heros of old pagan Ireland. Cailte.
Caoimhin — (kwee-VEEN) Old Irish Caemgen: caem "gentle" or "beautiful" + gein "birth". 7th C. St. Caemgen established the monastery at Glendalough in County Wicklow. Anglicized as Kevin. Caoimhghin, Kevin, Kevan.
Caolαn — (KWEE-lahn) "slender". Kealan, Kelan.
Caolfionn — (Keel-in) from the noun caol meaning "the slender one" + the adjective fionn meaning "fair haired". The masculine noun comes first and no alteration is required and in the Ulster dialect, the "f" naturally elides out to give an approximate pronunciation of Keelin.
Carlin — (kar-lin)(Gael) "little champion". Carley, Carlie, Carling.
Carlus — (OFr) "full-grown, manly".
Carney — (kar-nee)(Celt) "warrior" or "victorious". Cearnach, Kearn, Karney, Kearney, Car.
Carrick — "rock" or "dweller of the rocky cape". Caroq, Carraig.
Carroll — (Gael) "champion". Carly, Carolus, Cairell(?).
Casey — (kay-see) "brave".
Cass — (KAHS) from Old Irish cas "curly". Popular name in early Ireland. Name of a legendary ancestor of the O'Briens, MacNamaras and O'Gradys.
Cassidy — (kass-ih-dee)(Gael) from a word meaning "clever"; or "curly hair".
Cathal — (KAH-al) "strong in battle, battle-mighty". from Old Irish cath "battle". Popular in the Middle Ages. Cathal Crobderg (Red-Handed Cathal) was a king of Connacht in the 13th C. Traditonal in the MacManus, Maguire and MacDonagh families. Cahal (KA-hal).
Cathbad — (kah-bad?) legendary name of the druid and son of Conchobar mac Nessa who prophesied Cu Chulainn's warrior valor and the sorrow that Deirdriu would cause Conchobar of Ulster.
Cathaoir — (KAH-eer or KAH-ur)(Celt) "battle lord" or "warrior". Cahir, Cathair (KA-heer).
Cavan — "handsome". From Caoimhin. Cavin.
Ceallach — (KAL-ak?) "bright-headed". Cellach, Kelly.
Ceallachan — (KAL-a-kawn) Meaning uncertain: may mean "someone who frequents churches" or "someone who is warlike". Name of a 10th C. king, and a saint. Anglicized as Callaghan.
Cearbhall — (KAR-ull) "full-grown, manly"; from Old Irish name Cerball or Cerbhall. Name of early kings of Ossory and Leinster; traditional among O'Dalys. Cearbhall O Dalaigh was a president of the Irish Republic; anglicized as Carroll.
Cecil — (see-sill)(L) "blind". Siseal (SEE-sil).
Cedric — (sed-rick)(Celt) "chieftain".
Chad — (Celt) "defender".
Chullain — (KUHL-in) a mythic name coming from Cu Chullain.
Cian — (KEEN or KEE-an) from Old Irish cian "ancient, enduring". In legend, Cian was the son of Dian Cecht, god of healing of the Tuatha De Danaan. Also the father of the hero Lugh. Cianan (KEE-nahn, Cιin, Cain, Kian, Kioan, Keon, Kean.
Cianαn — (KEE-nahn) dim. of Cian. Kienan, Kenan.
Ciaran — (KEER-an) from Old Irish ciar "dark" + dim. suffix -an. 6th C. St. Ciaran founded the monastery on Clonmacnoise. Kieran.
Ciarrai — (KEH-ehr-ree) masculine version of the Irish County Kerry.
Cillian — (KEEL-yan) "war or strife"; variant of Ceallach. Keallach, Killian.
Cinιad - (KIN-ayd) "handsome". Irish form of Kenneth. Cionaodh (KIN-ee), Kennet.
Clancy — "red-headed fighter".
Cleary — derived from a word meaning "learned".
Cluny — (kloo-nee) from a word meaning "meadow".
Coinneach — (KUH-nukh, KOY-nikh, or KIE-nikh) from Old Irish name Cainnech, from cain "good, beautiful" or "fair one". 6th C. St. Cainnech founded monasteries in Scotland and Ireland, including Aghaboe in County Laois. The city of Kilkenny takes its name from him. Anglicized as Kenneth. Canice, Kenny.
Coireall — (kohr-EE-ahl)(Gr) "lord". Kerrill, Cyril.
Colin — "victor". Collin, Cailan, Cailean, CHulainn, Culin.
Colla — an ancient Irish name.
Colm — (KUHL-uhm) from Latin columba "dove". 6th C. St. Colm Cille (Columba) "dove of the church" is one of the most important Irish saints, with Patrick and Brigid. Born in Donegal to a branch of the royal Ui Neill clan, Colm Cille was banished to Scotland for allegedly copying a book without its owner's permission. Founded the monastery on Iona and converted pagan kings of Scotland to Christianity. Colum, Columba, Colman.
Colman — (KOHL-mawn) Dim. of Colm. In early records, there were more than 200 Irish saints by this name. Given name of St. Columbanus (c. 543-615), who founded several of most renowned monasteries in Eurpose, including Luxeuil in France and Bobbio in Italy.
Comαn — (KOH-mahn) "bent".
Comhghall — (KOH-gahn or CO-en) "fellow hostage".
Comhghan — (KOH-gahn, or CO-en) "twin". Cowen.
Conaire — (KAW-ni-re) Ancient Irish name, poss. from cu (con) "wolf, hound" + aire "farmer, landowner". Conor, Conroy, Conlan ("hero").
Conall — (KAW-nal) "strong as a wolf" or "high-might"; from Old Irish cu (con) "hound, wolf". Conall Cernach was a legendary hero of Ulster. Conall Gulban was the great-grandfater of St. Colm Cille and the ancestor of the O'Donnells, O'Gallaghers, and O'Dohertys. Connell.
Conαn — (KOH-nawn) from Celtic cuno "great, high"; "hound, wolf" or "wisdom"; "wisdom, intelligent". Of legend, Conan mac Morna was a member of Finn mac Cumaill's band. Six Irish saints also of this name. Conann, Conn.
Conary — (KOH-ner-ee) ancient Irish name. Conaire.
Conchobhar — (KON-kho-var or KROO-ar) derived from cu "hound, wolf" + cobar "desiring" = "wolf-lover" or "lover of hounds"; "high will, desire". Conchobhar, Conor, Connor, Conny, Cornelius.
Conlaed — (kon-lee?) derived from connla "prudent, chaste" + aed "fire". Conlaodh.
Conlaoch — (KON-la) son of Cu Chulainn and Aoife.
Conleth, Conley — (KAWN-lay, KOHN-leth) from old and rare name Conlaed. Most famous bearer Conlaed, a 6th C. bishop of Kildare, head of school of manuscript illumination there.
Conn — (KOHN) Ancient Irish name, poss. derived from cu (con) "hound, wolf"; "reason, intelligence". Conn Cethchathach (Conn of the Hundred Battles) was a high king of Ireland in legend. Claimed as an ancestor by the O'Connors, O'Donnells, O'Dowds, O'Flahertys, O'Neills, and O'Rourkes. Cuinn (KWIN), Con.
Connacht — (kon-nocked or kon-naht) from the Irish County of the same name and spelling.
Connla — "son of Conn". Conlaoch.
Connlaoi — (kon-lee?) "chaste fire". Conley, Conleth, Connolly.
Connor — (KAW-nor) from Old Irish Conchobar: cu (con) "hound, wolf" + cobar "desiring"'; "wolf-lover". In Irish epic The Cattle Raid of Cooley, Conchobar mac Nessa was king of Ulster. Modern Irish form Conor, Conchobhar (KROO-ar).
Conor — "wise aid"; form of Connor.
Conri — (KAWN-ree) from Old Irish cu (con) "hound, wolf" + ri "king". An early recorded men's name. Conroy.
Conroy — (Celt) "wise man". Conn.
Conway — (Gael) "hound of the plain".
Corcoran — (kor-kor-ahn) "ruddy", "red" or "of reddish complexion". Corc.
Corey — (kohr-ee) "raven", "from the hollow" or "helmet". Cori, Cory.
Cormac — (KOR-uh-mak) from corbaid "defile" + mac "son"; or "charioteer". Cormac mac Airt was a legendary high king of Ireland, ancestor of the O'Neills. Also the name of many kings, bishops and saints.
Corrigan — from a word meaning "spearman". Corey, Corrin.
Cosgrove — (koz-grohv) derived from a word meaning "victor" or "champion".
Cowan — (kow-an) possibly "hillside hollow".
Coyle — (KOYL) derived from a word meaning "leader in battle".
Craiftine — (krayf-teen?) harper to Labraid Longseach; his harp was made of wood that had retained a secret about the king.
Craig — (KREG or KRAYG) "a steep rock", "crag" or "from near the crag". Craigen.
Credne — (kred-nee?) a bronzesmith god of the Tuatha De Danann and one of the triad of smiths. He helped Dian Cecht make the silver arm for Nuada.
Criofan — (KREE-fan) from Old Irish name Criomhthann (CROH-an or CRONE) old, rare name meaning "a fox". Crimthan was common among the Kavanaghs of Leinster. First name of St. Columcille; St. Criomhthann's feast day is May 23. Crimthann was the name of ten of Finn mac Cumhaill's warriors, and of one St. Crimthann/Criomhthann. Crimthan, Crimthann, Crimathann.
Crνostσir — (CREES-towr) "Christ-bearer"; version of Christopher. Criostal (Scotland & N. Ireland).
Crofton — "a small town with little houses and fields".
Cu Chulainn — (KOO KUHL-in) Name of the hero of the early Irish epic The Cattle Raid of Cooley. Cu Chulainn's birth name was Setanta, and was given his adult name after he killed a watch dog of the smith, Culann. He then assumed the dog's place and duties and was renamed Cu Chulainn "hound of Culann". Other early names that begin with cu are Cu Maige (Hound of the Plain); Cu Mara (Hound of the Sea); and Cu Coigriche (Hound of the Border). Cu was a common title of Celtic chieftains.
Cu Roi — (KOO REE/ROY?) name of a king of Munster, Cu Roi mac Daire; he had great Otherworld powers. Because his wife, Blanaid, loved Cu Chulainn, she helped kill Cu Roi.
Cϊ Uladh — (koo-ULL-uh) "hound of Ulster". Cooley, Cullo, Cooey, Covey.
Cuirithir — a poet who loved a woman Liadin, but she refused to marry him and became a nun.
Culann — variant of Cu Chulainn. Cu Chulainn served the chief Culann in payment for killing his dog. Culin.
Culley — possibly "woods".
Cϊmheα — (kuhm-EH) "hound of the plains". Cooey, Cuulagh, Cooley, Cullo, Covey.
Cunningham — possibly "village of the milk pail".
Curran — (Gael) derived from a word for "hero". Currey, Curr, Curney.
Curry — "a marsh or an herb".

Dagda — a god called the Good God. Daghda.
Daibhιid — (DEH-vid or da-VEECH)(H) "beloved". Daighi, David, Daibhead (same pronun.)
Daigh — (DEHV or DAVE?) "flame or fire".
Daimine — (day-min?) derived from word dam "deer" or "ox". Daimhin, Damon.
Dαire — (DEH-ruh, DI-re or DAHR-uh) Old Irish word meaning "oak grove", "fruitful" or "fertile", and most likely the name of an early fertility or bull god; the Brown Bull of Cooley was owned by Daire mac Fiachna, and his refusal to loan his bull to Queen Medb was part of the reason for the fight between the Ulsterman and the men of Ireland. Dary, Darragh.
Dαithν — (DAH-hee) "swiftness, nimbleness". Dahy.
Daley — (day-lee) possibly "advisor", "an assembly" or "a valley". Dawley, Dale, Daly.
Dallas — (Gael) "wise". Dall.
Damhlaic — (DAW-lik)(L) "like the Lord". Dominic, Doiminic (DOH-min-ic).
Daniel — (H) "beloved".
Daray — (Gael) "dark"; version of French-Norman name D'aray. D'aray, Dar, Darce.
Darby — (dar-bee) (Gael) "free man".
Darren — (Gael) "great". Daron, Darrin, Darrion.
Dearg — "son of the Dagda".
Declan — (DEK-lawn) Name of a 6th C. saint who founded the monastery Ardmore in County Waterford. Dιahglαn (DEK-lan).
Delaney — "descendant of the challenger".
Delano — (deh-LAH-no)(Gael) "dark" or "a healthy black man".
Demne — when Fionn was tutored by Finneces, he took this name.
Dempsey — (DEM-se) "proud".
Dermot — "free man" or "free from envy". Dermod, Darby, Darcy.
Derry — (Gael) "red-headed"; "great lover", "an ancient hero". Also a city in Northern Ireland.
Desmond — (DEZ-mond) "man of the world"; from a surname based on an old name for the territory of South Munster. Demond.
Desmumhnach — "man of Muman" which was a tribe or territory in the Cork area of Munster before the Anglo-Norman invasion.
Devin — (Celt) "a poet". Dev, Devon.
Devine — "ox". Daimhin.
Devlin — (Gael) "brave or fierce". Devlyn.
Devnet — "poet".
Diancecht — (DI-an-ket) the great physician of the Tuatha De Danann; father of Miach, Cian, Cethe, and Cu, daughter Airmid. Dian Cecht.
Diarmaid — (DEER-mit) "free man"; legendary member of the warrior band of Finn mac Cumaill. He had a beauty mark on his forehead that made any woman who saw it to fall madly in love with him. Diarmait, Diarmuid, Dermot, Dermod.
Digby — "a town with a ditch or dike".
Dillon — (Gael) "faithul" or "faithful".
Dinsmore — possibly means "fortified hill".
Doherty — "harmful".
Dolan — from a word meaning "dark-haired". Dolin, Dolyn.
Dominic — (L) "like the Lord". Damhlaic.
Domnall — (DON-al) "world-mighty"; popular in ancient Ireland. Donal, Domhnall.
Don — "brown stranger"; form of Donald; Irish lord of the Underworld or Land of the Dead.
Donahue — (Gael) "dark hued" or "dark warrior"; related to Don, the Irish god.
Dσnal — (DON-al or DOH-nal) from domun "world" + gal "ardor" or "valor"; "world-mighty". Popular since the earliest times. Domnall was the name of five high kings including Domall Ilchelgach (Donal of the Many Treacheries), ancestor of the O'Neills and MacLoughlins. Domhnall, Domnall, Donall, Donald.
Donald — (Celt) "world ruler, brown stranger". Donal, Doughal, Don.
Donn — (DON or DOWN) from Old Irish donn, meaning both "brown" and "chief". Mythological god of the dead, who lived on an island off the of Munster. Popular until the end of the 19th C., esp. with the Maguires and Kennedys. Donnagan, Donnan (DUN-ahn).
Donnan — (DUN-ahn) "brown".
Donnchadh — (DUN-uh-khuh) "brown lord"; "strong warrior"; from Old Irish name Donnchad: donn "brown" or "chief" + cath "battle". Name of the son of Brian Boru, King Donnchadh Donn (d. 1064). Traditional in O'Brien family. Donaghy, Donogh, Donagh (DOH-na).
Donnell — related to Donal and Domnall; Doneal, Donnelly.
Donnelly — "brave, dark man, a brave black man".
Donovan — "dark or brown warrior". Donvan.
Dooley — "dark hero".
Doran — "stranger" or "exile". Deoradhain.
Dougal — (DOO-gahl) "dwells by the dark stream" or "dark stranger, from the dark water". Dubhghall (DOO-gal, or DOO-ahl), Dubgall, Douglas, Douglass, Duglas.
Dow — "dark-haired. Dubg.
Doyle — (Celt) "dark stranger". Doy.
Driscol — "interpreter". Driscoll.
Drummond — (Celt) "unclear".
Duane — (Celt) "song". Dewain, Dwayne.
Dubaltach — "black-jointed" or "dark-limbed". Dubhaltach, Dualtach.
Dubgall — (DOO-ahl) "dark or black foreigner"; refers to the Vikings, esp. from Denmark, who came to Dublin in 850. Dubghall.
Dubhαn — (DUH-ven, or DUH-wen) "dark, black". Dowan, Duggan, Duane, Dwayne, Dubhagain.
Dubhdara — (doov-DAW-ra) from Old Irish dub "dark" + dara "oak" = "dark man of the oak".
Dubhghlas — from dubh "black" + glas "blue". More popular in Scotland than Ireland. Douglas.
Duer — (Celt) "heroic".
Duff — (Celt) "dark-faced; black-faced".
Dugan — variants Dubhan, Duggan.
Dunham — (Celt) "dark man; black man".
Dwayne — derived from "dark"; or "from the dunes". Duwain, Duane.

Ea — (EH)(Celt) "fire" form of Aodh. Hugh.
Eachan — (eh-kawn?) "horseman".
Eadoin — "blessed with many friends".
Eamon — (EH-mon or AY-mon) "wealthy guardian". Irish version of Anglo-Saxon name Edmund. American Eamon de Valera (1882-1975) served as both president and prime minister of the Irish Republic. Aimon, Eamonn.
Eanna — (eh-nah?) possibly "birdlike". Ennae.
Earnαn — "knowing, experienced".
Edan — (Eh-dan or AY-dan)(Celt) "flame, fiery, zealous".
Egan — (EE-gan)(Celt) "ardent or fiery". Aodhagαn (EH-uh-gahn), Egon, Eagon, Eoghan, Eogan.
Ιibhear — (EH-ver) meaning unknown, perhaps (OE) "strong as a bear". Ever.
Ιimhin — (EH-veen) from eim "prompt" or "ready" or "swift, active"; male or female. Evan, Evin.
Eion — from of Ian. Eann, Ein.
Eireamhon — (AY-ra-vohn) from Old Irish name Eremon. In legend, Eremon led the expedition of the Sons of Mil to Ireland to avenge his uncle Ith, who was slain by the Tuatha De Danaan; which would make Eremon the chief ancestor of the Irish people.
Eirnin — possibly from iarn "iron"; male or female.
Elatha — (AHL-a-hah) An old name meaning "art or craft".
Ιnαn — (AY-nahn) Irish saint name. Eanan (EH-nahn).
Ennis — (Gael) "sole or only choice".
Eochaid — (OH-kad) from Old Irish ech "horse". May mean "horse rider". Real and legendary kings bore this name, horses were symbols of kingship and nobility in early Irish culture. Also a St. Eochaid who was bishop of Tallaght, and another who was the abbot of Lismore. Eochaidh.
Eocho — (OH-koh) Nickname for Eochaid that became its own name. Eocho mac Tairdelbaig was an ancestor of the O'Hallinan and O'Quinn families.
Eoghan — (oh-GAHN or OHN) from Old Irish name Eogan "born of the yew tree": eo "yew" + gein "birth"; "god's gracious gift". Name of several early kings and saints. Eogan mac Damthacht was a celebrated Ulster hero. Earliest St. Eoghan was a 6th C. bishop of Tyrone, and uncle of St. Kevin. Eoin, Eogan, Egan.
Eoghan — (YO-wun)(Gr) "well-born". Owen.
Eσin — (OH-en or OH-een) "god's gracious gift". Irish form of Latin Johannes. Irish names Eoin and Sean both derive from Johannes. Sean, from the French Jehan, was introduced to Ireland by Norman French centureis after Johannes became an Irish name. John.
Eσin Baiste — (OH-en BAHSH-chuh) John the Baptist.
Erc — (EHRK) possibly "battle boar". Earc.
Eremon — (EHR-eh-mohn) he fought his brother Eber to see who should become the king of Ireland. All later Irish kings claimed descent from him.
Erin — (EHR-in)(Gael) "peace". An alternate name for Ireland, from the goddess Eriu. Eryn.
Esras — (EHS-ras) master of wisdom in Gorias, one of the the four cities that the Tuatha De Danann came from; he later gave Lugh the victory spear, one of the Tuatha's treasures.
Evan — "young warrior"; Irish form of John. Ewan, Ev, Evin.
Eveny — (ehv-en-ee) name used in Derry County. Aibhne.

Fagan — (FAY-gan) "little fiery one".
Fallon — variant of Faolan. Fallamhain.
Faolαn — (FEH-lahn or FAY-lawn) from Old Irish faol "wolf" + dim. -an. Faolan was the name of fourteen saints, and ten warriors in Finn mac Cumhaill's band. Source of the surnames Phelan and Whelan. Anglicized Fallon, Faelan, Felan..
Farrell — (Celt) "heroic, courageous". Fearghal (FAHR-gahl), Farr.
Fearghus — (FAHR-gus or fay-REES) from Old Irish fer "man" + gus "strength, vigor"; "super-choice". Fergus mac Roich, foster-father of Cu Chulainn, was a hero of the Irish epic The Cattle Raid of Cooley. Renowned for his strength and stamina both on the battlefield and the bedroom. Fergus Finbel (Fergus Wine-Mouth) was a poet of the Fianna. Classic, anglicized Fergus (FER-guhs).
Fechine — possibly from fiach "raven," or from a word meaning "battle". Fechin.
Feidhlim — (FELL-em) "fortunate, lucky" or "ever good". Male or female name. Feidhlimidh.
Felix — (L) "fortunate or lucky". Feidhlim (FELL-em).
Feoras — (FEE-uh-rus)(Gr) "stone". Pierce.
Fercetrniu — poet of King Cu Roi, whose wife caused the king's death; when the poet discovered this, he leaped over a cliff taking her with him to her death.
Fergal — (FAYR-gal) "man of strength"; from Old Irish fer "man" + gal "fury, valor" = "manly" or "valorous". Fergal mac Mael Duin was another ancestor of the O'Neills. Fearghal.
Ferris — (fair-is)(Gr) "the rock"; form of Peter. Farris.
Fiachra — (FEE-uh-khruh) "battle-king" or "eagle". Irish saint name. Fiachna, Fiach, Feary.
Finghin — (FIN-jin) "fair birth"; variant of Fionn, Fionnbarr. Fineen, Finnin, Fionan, Finian, Finbar.
Finlayv — (Gael) "little (blond) fair-haired soldier". Finlay, Findlay, Findley, Finlea, Finn.
Finneces — poet who lived by the River Boyne and guarded the Salmon of Knowledge for seven years. He planned to eat it himself to gain the knowledge, but his student Fionn mac Cumhail tasted it first. Finegas.
Finnegan — "light skinned".
Finnian — (fin-ee-an) from finn "fair, pale-colored". Finnen.
Fionan — (FIN-ee-ahn) "fair". Finnian, Fionn.
Fionn — (FYUHN or FIN) from Old Irish finn "bright, fair". Anglicized as Finn. Finn mac Cumhaill was a hero, poet and sometime outlaw who led a band of warriors known as the Fianna. Fiann, Finian.
Fionnbharr — (FYUHN-var or FIN-ver) from Old Irish finn "bright, fair" + barr "hair". Eight Irish saints by this name. Best known is 6th C. St. Finnbarr, patron of Cork and of Barra in the Outer Hebrides. Anglicized as Finbar, Finnbarr, Barram, Bairrfhoinn; nicknames Barra, Bairre.
Fionntan — (FIN-tan or FYUN-tawn) from Old Irish finn "bright, fair". In myth, Fintan was the consort of Cessair. Fintanwas the only one of the group to survived the great flood. Afterwards, he lived on for thousands of years as a salmon, an eagle and a hawk. Also the name of 74 early Irish saints.
Fiontan — possibly "white ancient" or "white fire".
Fitzroy — "son of Roy".
Flann — (FLAHN) from Old Irish flann "blood red" or "redhead, ruddy". Flann has been the name of poets, scholars, abbots, saints, queens and kings. Flann Feorna was king of Kerry in the 8th C., and an ancestor of the O'Connors. Male or female name. Flainn, Floinn, Flannan, Flanagan, Flannagain, Flynn, Flannery.
Flannery — form of Flann; "redhead".
Flinn — form of Flynn; "son of the redhaired man".
Flynn — (Gael) "son of the red-haired man". Flin, Flinn.
Forbes — (Gael) "prosperous or headstrong".
Frederick — (Teut) "peaceful ruler". Feardorcha (fee-ar-e-DOHR-ekh-e).

Gaeth — (GAYTH) Old Irish "intelligent, skillful".
Gair — "small". Geir, Gaer.
Galbraith — (gahl-brayth) Old Irish meaning "Scotsman".
Gale — "a stranger". Gael, Gaile, Gayle.
Galen — (gay-len)(Gael) "calm"; or "small but lively".
Gallagher — from the word for "eager helper".
Galloway — once referred to a Scotsman from Galloway, Scotland. Galway.
Galvin — (GAHL-vin) from Old Irish gelbann "a sparrow".
Gannon — (Gael) "light or fair-complexioned". Gannie.
Garbhαn — (GAHR-van) from garb "rough". Garban, Garvan.
Garrett — (Teut) "brave spearman" or "with a mighty spear". Garret, Garett.
Garvey — from a word meaning "rough place". Gairbith.
Gaynor — "son of the fair-skinned man" or "son of the fair-haired one". Gainor, Gaenor.
Gearσid — (GAHR-ohd) Irish form of Gerald, from ancient name Gelgeis, from gel "shining". May also mean "spear-mighty" and come from the Anglo-Normans. Gearalt, Garalt, Gerald, Garret.
Genty — from a word meaning "snow".
Gilchrist — "servant of Christ". Ghilchrist, Giolla Chriost, Gilvarry, Gil, Gilley.
Gillean — "servant of St. John". Gillan.
Gillespie — "son of the bishop's servant". Gillis.
Gilmore — (Gael) from words meaning "devoted to the Virgin Mary".
Gilvarry — (gil-very or gil-var-ee) "servant of St. Barry". Giolla Bhearaigh (GIL-a VER-ee).
Giolla Bhrνghde — (GIL-a BREED) from words meaning "servant of St. Brighid" or "Saint Brigid". Gillbride.
Giolla Chrνost — (GIL-a KREEST) "servant of Christ". See Gilchrist.
Giolla Deacair — (GIL-a dah-keer?) an Otherworld champion who owned a horse that could not be ridden. The hero Conan managed to mount the horse, but it carried him away to Tir Tairngire, and had to be rescued by Fionn.
Giolla Dhι — (GIL-a DEH) "servant of god". Gildea.
Gilroy — "devoted to the king". Gildray.
Glaisne — (GLAS-nee) a favored name in Ulster up to modern times. Glasny.
Glen — (Celt) "glen or narrow valley" or "a secluded, woody valley". Glyn, Glynis, Glenn.
Glenville — "village in the glen".
Gobban — (GOH-ban) from Goibniu, the ancient god of smithcraft who worked for the Tuatha De Danann. Goban.
Gofraidh — (GO-free-y) "god's peace"; variant of the Old German name Godfrey. Goffraidh, Godfrey, Gorry.
Goibniu — god of blacksmiths known in Ireland and Wales, he forged all weapons for the Tuatha De Danann, they never missed their mark and the wounds inflicted were always fatal.
Gordon — (Gael) "hero"; a Scots-Irish name used in Ulster. Gordain.
Gorman — from a word meaning "dark" or "swarthy"; male or female name. Gormain.
Grady — (Gael) from a word meaning "noble" or "illustrious". Gradleigh, Gradey.
Greagoir — (GREG-or) "vigilant" or "fierce". Grioghar, Gregory, Gregor; pet form: Greg.
Guaire — common name of early Ireland meaning "noble or proud".
Guthrie — (guhth-ree) "windy place".
Guy — "sensible".

Hagan — "youthful" or "young".
Haley — from a word meaning "ingenious".
Hannraoi — (HAN-ree)(Teut) "ruler of an estate". Henry, Einri (EHN-ree).
Harkin — from an old word for "dark red".
Heremon — form of Irving; "handsome and fair".
Hogan — (Gael) similar to Hagan, meaning "youth".
Hoyt — from a word meaning "spirit" or "mind".
Hurley — (Gael) from a word for "sea tide". Hurlee.

Iarfhlaith — (YAR-lath) Irish saint name; St. Iarlaith was born in Tuam and ordained in 468 and built the first monastery and school at Cloonfush. Iarlaith, Iarlaithe, Jarlath.
Ibor — (EE-bohr?) from iobar "yew tree". St. Ibor opposed St. Patrick because he was a "foreigner". Iobhar.
Imar — (EE-MAHR?) probably the name Ivarr borrowed from the Norse-Vikings who invaded Ireland. Iomhar (EE-var).
Innis — "from the island". Innes, Iniss.
Ionhar — (YOWR, or YO-ver)(Teut) "archer". Ivor.
Νoseph — (YO-sef)(H) "god will add". Iosep, Joseph.
Iσsua — Irish version of Joshua.
Irv — "handsome". Irving.
Irving — (Gael) "handsome and fair". Earvin, Ervin.
Iuchar — a brother of Brian mac Tuirenn, who killed Lugh's father Cian.
Iucharba — a brother of Brian mac Tuirenn, who killed Lugh's father Cian.

Jarlath — (JAR-leth) Name of 6th C. saint, teacher of St. Brendan the Navigator. Brendan told Jarlath to drive his chariot east and build a church where his wheel broke; it broke in Tuam, and he founded a church that became a great center of learning and art. Modern Irish Iarlaith (YAR-lath or YAHR-le).
Jonathan — (H) "god gives".
Joseph — (H) "god will add".

Kacey — (kay-see) alternate spelling of Casey.
Kane — (Gael) "tribute, warrior". Kayne, Kaine.
Kavan — "handsome". Kavenaugh.
Keallach — (KAL-ak?) "little Kelly". Killian.
Keary — (keer-ee) "dark or dark-haired".
Kearney — (keer-nee)(Celt) "warrior". Carney.
Keefe — (KEEF)(Gael) "cherished, handsome, lovable". Keeffe.
Keegan — (Gael) "little and fiery". Keagen, Kegan.
Keelan — from a word meaning "slender" or "little".
Keeley — "handsome" or "beautiful and graceful". Kealey, Kealy.
Keenan — "little Keene" or "little ancient one". Keanan, Kienan.
Keene — "wise, learned".
Keir — (KEER)(Celt) "dark-skinned".
Keiran — (KEER-an)(Celt) "dark-skinned".
Kellen — "mighty warrior". Kaelan, Kael, Kailen, Kallen, Kaylen, Kaylan, Kealan, Kelan.
Keller — from a word meaning "little companion".
Kelvin — "a narrow river" or "from the narrow river". Kelvyn.
Kendrick — from a word meaning "son of Henry"; or "royal chieftain". Keondric.
Kennard — "brave chieftain". Kenner.
Kennedy — (KI-ne-dee or KEN-eh-dee) from Old Irish Cennetig: cenn "head" + etig "ugly"; or "helmeted chief". Kennedy became a surname while still used as a first name. Cennetig mac Lorcain was the father of high king Brian Boru. Cennetig.
Kenyon — "white or blond hair". Kenyan.
Kermit — possibly a variant of Dermot, or may mean "son of Diarmaid" or "free man".
Kern — (Gael) "little black one, dark". Kearn, Kerne, Kieran.
Kerry — (Gael) "manly", "dark hair" or "son of the black one". Form of Carol(l). Keary.
Kerwin — "small and dark" or "little jet-black one". Kervin, Kerwyn.
Kevin — (Celt) "kind, gentle, lovable".
Kieran — (KEER-an) "small and dark-skinned".
Kiernan — (KEER-nan) "dark-skinned".
Kildare — an Irish county.
Kilian — (KIL-yan) from Old Irish Cillene, prob. from cell "church". Many saints bore this name including an abbott of Iona in Scotland. Cillene, Killian, Killy.
Korey — variant of Corrigan.
Kyle — (Gael) "handsome", "near the chapel", "one from the strait", or "a narrow piece of land". Kyele, Kiel.

Labraid — "speaker". Labhraidh.
Labhrαs — (LAU-rahsh)(L) "a laurel bush". Labhoise (LOY-shuh or LIE-shuh), Labhras, Labras, Laurence.
Laegaire — (LEERY) possibly "calf-herd". Laoghaire.
Laisrean — from laisre "flame". Laisren.
Laoire — (LAY-re, LEER-ee, LAIR-ee, L'Heery) from Old Irish name Laegaire, may mean "calf-herder". Name of two saints and a king of Tara. Leary, Laoighaire, Laoghaire.
Larkin — "rough and fierce".
Laughlin — (LOFF-lin or LOCK-lin) "servant of St. Secundinus". Lanty, Lany, Leachlainn, Loughlin.
Laurence — (L) "crowned with laurel".
Lawler — from an Irish word meaning "mutterer" or "soft-spoken". Lawlor.
Leachlainn — (LEKH-len) "servant of St. Secundinus". Laughlin, Lochlainn, Lanty.
Leary — variant of Laoire and Laegaire.
Lennan — (LAN-awn) Old Irish work meaning "lover, sweetheart". Leannan.
Lennon — "little cape".
Lιon — (L) "lion".
Liam — (LEE-am) "resolute protector, unwavering protector". Irish form of William, short for Uilliam, derived from name Guillaume, introduced to Ireland by Anglo-Normans.
Lir — (LEER) father of Manannan mac Lir, his second wife turned his other four children into swans.
Lochlainn — (LOCH-lan, LOKH-lan or LOCK-lin) from Old Irish word for the land of the Vikings, Lakeland. In fairy tales, Lochlainn was the imaginary abode of the princess-who-must-be-rescued. Popular in Middle Ages. Lochlain, Lochlann, Lakeland, Laughlin, Lochlyn, Lochlynn, Loughlin.
Loegaire — (LOH-geer?) Cu Chulainn's charioteer who went to Mag Mell with him to rescue its queen from abductors; another tale says he died from a spear meant for the hero.
Logan — (Gael) from a word meaning "meadow" or "from the (little) hollow".
Lomαn — (LO-man) from the word lomm "bare". Lomman.
Lonan — (LYO-nawn) from Old Irish lon "blackbird" + dim. suffix -an. Eight early saints had this name, including St. Lonan Finn.
Lorcan — (LOR-kawn) from Old Irish lorc "fierce" or "cruel" + dim. suffix -an. Several early kings with this name. St. Lorcan O Tuathail (Laurence O'Toole) was archbishhop of Dublin at the time of the Norman invasion.
Lϊcαs — (LOO-kahsh)(L) "bringer of light". Lucan.
Luchtaine — god of carpentry for the Tuatha De Danann and a member of the trio of smiths. Luchta.
Lugaid — son of Cu Roi and Blanaid, and known as the Son of Three Dogs because his mother had lain with three men with cu in their name. When Lugaid cut off Cu Chulainn's head, the sword slipped and cut off his own hand.
Lugh — (LOO) Name of a Celtic sun god, from lugu "light". Lugh is also known as the god Lleu in Welsh myth. Lughan (LOO-awn), Lughna (LOO-na).
Lughaidh — (LOO-ee)(OGer) "renowned warrior". Lewy.
Lunn — "warlike". Lonn, Lun.
Lynch — from a word meaning "mariner". Linch.

Mac Dara — (mahk-DAH-ra) from Old Irish mac "son" + dara "oak" = "son of the oak". St. Mac Dara of Connemara is the patron of fisherman.
MacBride — from the Irish meaning "son of the follower of St. Brighid". Mcbride, McBride, Macbride).
Macallister — "son of Alistair". Mcallister, McAllister, MacAllister.
Macarthur — "son of Aruthur". Mcarthur, McArthur, MacArthur.
Maccoy — "son of Hugh". Mccoy, McCoy, MacCoy.
Maclean — from "son of Leander". Mclean, McLean, Maclaine, MacLean.
Macrea — from the Irish meaning "son of grace". Mccrea, Mccrae, McCrea, MacRea.
Mackenzie — "son of Kenzie". Mckenzie, McKenzie, MacKenzie.
Mackinnley — "son of the learned ruler". Mckinnley, McKinnley, MacKinnley, McKinley, MacKinley, Mackinley, etc.
Macklin — (MAK-lin) "son of Flann". Macland.
Macmahon — (MAK-MAN)"son of Mahon". Mcmahon, McMahon, MacMahon.
Mael Coluim — (MAL KOL-um) "servant or devotee of Colm". Maeolcholuim.
Mael Iosu — (MAL YO-shoo?) "devotee of Christ"; at one time it was a name used among clergymen.
Maelduine — (MAL-doon? or MAL-doo-een?) his mother was a nun who was raped by his father, Ailill. He made a skin boat and sailed among the Blessed Islands in search of his father's murderers.
Maeleachlainn — (MAL-uh-khlin) "servant of St. Secundinus". Malachy, Milo, Miles.
Maghnus — (MAKH-hus) "great"; variant of Manus, or the Norse-Viking Magnus.
Mahon — (MAN or MAH-hohn) "bear".
Mαirtνn — (MAWRT-cheen) "warlike one". Martin, Martain.
Maitias — (muh-THY-uhs)(H) "gift of god"; version of Mathias. Matthias, Maithias.
Maitiϊ — (MATH-yoo)(H) "gift of god"; version of Matthew.
Mal — Irish shortened version of names starting with "mal".
Malachy — (MA-la-kee)(H) Used in Ireland as an anglicization for Irish names beginning with mael "servant or devotee" such as Mael Maedoc and Mael Sechlainn. St. Malachy of Armagh was a church reformer in the 12th C. Maelachlainn, Milos.
Malone — "church-going" or "servant of St. John". Maloney.
Malvin — Irish form of Melvin. Malvyn.
Manannan mac Lir — (mah-NAN-awn mac leer) chief Irish sea god, son of the sea god Lir. see the Deities page for more info.
Mannix — from a word meaning "monk". Mainchin (MAN-e-kheen).
Manus — (MA-nuhs) from Latin magnus "great". Borrowed from the Norse, who in turn borrowed it from Carolus Magnus, Latin name for Charlemagne. Mannuss.
Maolruadhan — (mal-ROO-ahn) "servant of St. Ruadhαn". Melrone.
Marcan — (MOR-kawn) from Old Irish marc "horse" + dim. -an. Marcan mac Cennetig was the brother of High King Brian Boru and abbot of Killaloe. St. Marcan of Clonenagh's Feast day — October 21.
Mathghamhain — (ma-HOHN) Old Irish word for "bear" and popular in Middle Ages. Brother of High King Brian Boru. Mahon.
Mayo — from the County in Ireland, meaning "yew-tree plain".
Meallan — (MAHL-an) from Old Irish mall "lightning" + dim. suffix -an. Three early saints whose Feast days are Jan. 28, Feb. 7, and Oct. 26.
Meilseoir — (MEL-shyahr)(H) "king". Melchior.
Mel — (MEL) no recorded meaning; St. Mel was a bishop and patrion of Ardagh, County Limerick, and a nephew of St. Patrick.
Mellan — possibly derived from an early word meaning "lightning".
Melvin — (Celt) from an Irish word meaning "armored chief"; or "mill worker". Mal, Malvin, Melvyn, Melwynn.
Merril — "bright sea". Meryl.
Merritt — (MAIR-it or MEHR-it) from a word meaning "valuable" or "deserving". Meritt.
Miach — (MEE-ahk?) son of the Tuatha De Danann physician Dian Cecht; he was slain by his fther when he and his sister Airmid restored Nuada's physical hand.
Micheal — (mee-HAHL or MEE-kal) Irish form of Michael, "who is like God?"
Midir — (MY-tir) a fairy king and another god of the Underworld, connected with the Isle of Falga (Isle of Man) where he had his palace. Midhir.
Miles — Several derivations, including Latin miles "soldier". From the 17th C. on, Miles was used to anglicize names beginning with mael "servant or devotee," such as Mael Muire. Myles.
Mochaomhog — name of a priest who cared for the swan-children of Lir. He made silver chains to hang around their necks so people could identify them as enchanted humans.
Monahan — (mohn-ah-han) "monk". Monohan.
Mongan — son of Manannan mac Lir and Caintigerna; some tales say he was the reincarnation of Finn mac Cumhail.
Monroe — (mun-roh) name derived from the mouth of Ireland's Roe River; or "from the red swamp".
Morann — (MOOR-an) from Old Irish name Morand, derivation unknown. Legendary judge of ancient Ireland who allegedly never gave a false verdict. Also the name of several if Finn mac Cumhaill's warriors. Moran, Morand.
Morc — son of Dela, a Fomor King.
Morfessa — a master of great wisdom who lived in Falias, one of the cities the Tuatha De Danann came from. He gave the Tuatha the Stone of Fal, the inauguration stone for making a king.
Morgan — (Celt) "sea warrior", "lives by the sea" or "from the sea"; possibly derived from the war goddess Morrigan. Morgun.
Morven — (Celt) "mariner". Morvin.
Moss — shortened form of Maurice or Morris.
Muireadhach — (MUR-e-thekh) from muiredach "lord, master"; or "sea-lord". Murry, Murray, Muiredach, Muirioch.
Muirios — (MEER-ees) from Old Irish Muirgius: muir "sea" + gus "strength, vigor". Muirios was the name of several kings of Connacht.
Mundy — (MUN-dee) "from Reamonn".
Murchadh — (MUR-kha or MOOR-uh-ka) from Old Irish muir "sea" + cath "warrior" = "sea-warrior". Name of several early kings and warriors. Murrough, Murphey, Murchach, Murphy, Morgan.
Murphy — (MUR-fee) "sea warrior". Murphey.
Murray — (MUR-ee or MUR-ray)(Celt) "seaman". Murry, Murrey..
Murtagh — (MUR-tah or MUR-taw) variant of Murdock. Murtaugh.

Naoise — (NEE-shah?) son of Uisliu and served Conchobhar mac Ness, King of the Ulaidh; fell in love with Deirdre, who was promised to the king, and had to flee for his life. When they returned under a promise of forgiveness, Naoise was ambushed and killed. Naoisi.
Naomhan — (NAU-ahn) "holy". Nevan.
Neal — (Celt) "champion". Neil, Neill, Neale, Nealon.
Neasαn — (NESH-ahn) Irish saint name; variant of Nessa. Nessan.
Nechtan — (neck-tahn) husband of the goddess Boann and keeper of a magic well of knowledge which had nine hazel trees around it.
Neil — (Celt) "champion". Neal, Niall, Neill, Neale.
Nemhglan — the bird-like being who was teh father of Conaire Mess Buachalla by a human woman.
Nessan — "stoat".
Nevan — "holy". Naomham (NAU-ahn).
Nevin — (Gael) "worshipper of the saints, nephew". Nevins.
Niall — (NEE-AL)(Celt) "champion"; or Old Irish name poss. derived from nel "cloud". King Niall Noigiallach of Tara founded Ui Neill dynasty and ancestor to the O'Neills and Scotland's MacNeils. Neal, Neil, Neill, Nyle, Nealy, Niallαn (NEE-a-lahn).
Niece — (NEES)(Celt) "choice". Aonghus, Neese.
Nioclαs — (NEE-klahs)(Gr) "victory of the people". Nicholas.
Niocol — (NEE-col)(Gr) "victory of the people". Nicol.
Nolan — (NOH-luhn)(Gael) "famous" or "noble". Noland, Nolin.
Nuada — (NOO-ah-dah) a god known in both Ireland and Wales; he lost his hand in battle and had to step down as king of the Tuatha De Danann, since they demanded that a king be perfect. He wore a flexible silver hand made by Dian Cecht, until Miach and Airmid replaced the physical hand by magic.
Nyle — (Celt) "champion".

O'Neil — "son of Neil". O'Neal, O'Neill.
Odhrαn — (OH-rahn) from odhar "dun-colored"; from an old name for "otter"; or "pale green". Oran, Orrin, Odran.
Oengus — variant of Aonghus. Aengus.
Ogma — known as Sun-Face and Honey-Mouthed, similar to the Greek hero Hercules. He carried a huge club and was the champion of the Tuatha De Danann. Legend says he created the Ogham script alphabet.
Oisin — (oh-SHEEN) from Old Irish oisin "fawn" or "deer". Finn mac Cumhaill's son, was poet of the Fianna. Two saints by this name (Oissine). Oissine, Ossian.
Oistin — (OHS-teen)(L) "venerable". Austin.
Oran — (OHR-an) from odran, Old Irish word for "otter". St. Odran is patron of Waterford.
Oscar — (OHS-car) from Old Irish os "deer", prob. meaning "one who loves deer"; or "warrior". Legendary warrior, grandson of Finn mac Cumhaill.
Owain — (Celt) "born to nobility" or "lamb, young warrior". Owen, Uaine, Ewen, Eoin.
Owney — old Irish name meaning "elderly". Oney.

Paddy — (pad-ee)(L) form of Patrick; "noble, nobleman".
Padraig — (PAH-drig or PAH-dreek) from Latin Patricius "noble". St. Patrick, patron saint of Ireland, was the first successful Christian missionary on the island. Patrick has only been a given name of children since 1700; considered too sacred earlier, children were given names Gilla Patraic "servant of Patrick" or Mael Patraic "devotee of Patraic". Padhraig, Paddy, Padraic, Patraig, Patrick.
Parlan — see Bartholomew "ploughman"; or Parthlαn. Patholon, Parthalan (PAR-ha-lahn).
Parthalαn — (PAR-ha-lahn)(Aramaic) "ploughman". Parlan, Bartholomew, Bartley.
Patrick — (L) "noble". Pat, Patty.
Patterson — "son of Pat".
Peadar — (PA-der)(Gr) "stone". Peter, Peadair.
Pembroke — (Celt) "bluff, headland".
Phelan — from a word meaning "wolf"; variant of Faolan.
Piaras — (PEER-as or PEE-a-ras) "stone"; Irish form of Peter, from French-Norman name Piers. Peter, Perais, Ferus, Pierce, Piers.
Pilib — (PEE-lib)(Gr) "lover of horses". Philip, Filib.
Piran — (PEER-an) "prayer"; the Irish saint of miners had this name.
Proinnsias — (PRON-shee-as)(Teut) "free"; Irish version of Francis (of Assissi). Frank.

Quigley — from a word meaning "from the maternal side".
Quillan — "cub". Quillon.
Quinlan — "strong" or "well-shaped, athletic". Quinlin.
Quinn — "wise"; variant of Conn, and the old spelling Cuinn.

Raegan — (ray-gehn) "little king" or "royal". Reagan, Reegen, Regan.
Rafer — (ray-fer) from a word meaning "rich, prosperous". Raffer, Rafferty.
Ragallach — king of Connacht, he abandoned his infant daughter because of a prophecy that he would die at his daughter's hand.
Raghnall — (RAN-al) "wise or mighty power"; from the Norse-Vikings. Reginald, Reynald, Randal, Randall, Reynold.
Rιamonn — (RYEH-mon or RAY-moon)(Teut) from ragan "counsel" + mund "protection"; "mighty protector"; Irish version of Old German Raymond, brought by the Anglo-Normans in the invasion. Reamonn, Remann, Raymond, Mundy.
Regan — see Raegan. Riagan.
Reilly — "valiant". Riley.
Renny — (REN-ee) Irish version of the French Rene, "small but strong". Raighne.
Revelin — form of Rolan; "famed throughout the land".
Rian — (REE-an) Dim. of Old Irish ri "king"; "little king". Old first name is the source of surname Ryan, since adopted as a first name in N. America. Ryan, Ryanne, Rhyan, Ryne, Riane, Rigan, Rigan (REE-gan).
Riddock — "smooth field". Reidhachadh, Riddoc.
Riocαrd — (REE-kard)(OGer) "powerful ruler"; Irish form of Richard, brought by the Anglo-Normans. Richard, Risteard (REESH-tyard).
Riordan — (REER-dawn) from Old Irish rigbarddan "royal poet" or "the King's poet".
Roarke — (ROHRK) "famous ruler". Roark, Ruarc, Ruark, Rorke, Ruaidhri, Rourke.
Rodhlann — (ROH-lan)(L) "fame of the land"; Irish version of Roland. Rowland, Rowland.
Rogan — (RO-gahn) "red-headed". Ruadhagan, Rowe, Rowen, Rowyn, Rowin, Rowan, Ruadhan.
Roibeαrd — (ROH-bahrd)(Teut) "of shining fame". Robert, Roibart.
Roibhilνn -(ROH-ve-lin) "shining fame"; Old Irish name, dim. of Robert and Irish version of Robin. Roibin, Roibeard, Ravelin, Ravelyn, Revelin.
Roibνn — (ROH-bin) dim. or Roibeard. Robin.
Rσnαn — (ROH-nawn) from Old Irish ron "seal" + dim. suffix -an; or "a pledge". Ten saints, including Ronan of Lough Derg and Ronan of Lismore had this name. Ronan.
Ronat — (ROH-naht) "seal".
Rooney — (ROO-nee) "redhaired". Ruanaidh.
Rory — (ROHR-ee)(Teut) "famous ruler"; variant of Ruairi. Ruaidhri, Roderick.
Ross — (RAWS) from Old Irish ros "promontory". Popular; borne by kings, heroes, saints. Ross MacMahon, Archbishop of Armagh was an opponent of Cromwell.
Ruadan — (ROO-an) from Old Irish ruad "red-haired". Son of Bress and Brighid, and fought with the Fomorians against the Tuatha De Danann. Ruadhan, Rhodan.
Ruaidhri — (RWE-e-ree)(Teut) "famous ruler"; from Teutonic Roderick. Rory, Roderick.
Ruairi — (ROO-e-ree) from Old Irish name Ruaidri: ruad "red" + re "king". Ruaidre Ua Conchobair, last high king of Ireland died in 1170. Ruaidhri, Rory.
Ruarc — (ROO-ark) from Old Irish arg "champion, hero", and source of surname O'Rourke. Anglicized Rourke, Roarke.
Rylie — form of Riley; "valiant".

Saoirse — (SHAHR-sha?) "freedom" or "liberty"; male or female name.
Scanlon — (SKAN-lun) "little trapper".
Scully — (SKUHL-ee) (Gael) from a word meanign "town crier". Scolaighe.
Sιafra — (SHEE-a-fra or SHE-fra) "god's peace"; Irish form of Jeffrey, brought by the Anglo-Normans. Sheary, Geoffrey, Seafraid, Seathrun.
Sιamas — (SHAY-muhs or SHEE-a-mus) from James (H); "the supplanter, one who supplants". Seamus, Seumus, Shemus, Shamus, Sιamaisνn (SHAME-wish-een) literally "little James"), Sιimν (SAHY-mee) Jamie, Simidh (SHIM-mee) Jimmy, Siomaidh (SHOM-mee or SHOAM-mee).
Seαn — (SHAWN) "god's gracious gift"; Irish form of John, der. from Norman French name Jehan. Shaun, Shane, Sion, Shawn, Seaghan (SEE-a-gun).
Seanαn — (SHAW-nawn or SHAH-nan) from Old Irish sen "ancient". Seanan was the name of 20 Irish saints, including St. Senan of Iniscathy. Seanan, Shannon, Senan, Sinon.
Searbhreathach — (SAR-vra-huhkh) "noble judge"; Irish version of Justin.
Sιarlas — (SHAHR-las)(OFr) "full-grown, manly"; Irish version of Charles. Searlus.
Sedric — (SED-rik) form of Cedric; "chief".
Semias — master of wisdom from Murias, one of the four cities the Tuatha De Danann came from; he gave his cauldron Undry to the Dagda.
Seoirse — (SYAHR-sha) "farmer"; form of George. Seorsa.
Seosamh — (SHOH-sav) "god will add"; Irish form of Joseph. Seosaph.
Setanta — birth name of the warrior Cu Chulainn.
Shanahan — (SHAN-ah-han) "clever, wise". Seanachan (SHAWN-a-kahn?).
Shane — (SHAYN)(H) "gracious gift of god, god is gracious".
Shanley — (SHAN-lee) "small", "ancient", or "child of the old hero". Seanlaoch (SHAWN-loch?).
Shannon — (SHAN-ohn) "wise one"; from the River Shannon. Rarely, if ever, used as a name in Ireland.
Shea — (SHAY) "courteous" or "hawk-like, stately". Seaghda, Shae, Shaye, Shay.
Sheehan — (SHEE-an) "little, peaceful". Shean, Siodhachan.
Sheridan — "wild one" or "untamed". Seireadan.
Sierra — "black".
Sioda — (SHEE-da) may mean "silk" or a pet form of a longer name.
Sνomσn — (SHEE-mohn)(H) "god is heard"; Irish version of Simon.
Siseal — (SEE-sil)(L) "blind;" Irish form of Cecil.
Sithchean — a druid who disguised himself as a smith and tested all the sons of the King of Tara to see who was fit to be the next king; only Niall completed the test satisfactorily.
Skelly — (SKEL-ee) "storyteller"; possibly from Viking influence and their word for bard, skald.
Sleibhin — (SLE-veen) from Old Irish sleib "mountain", meaning "mountain man", "mountaineer" or "man of the mountain". St. Slebine was abbot of Iona in Scotland in the 8th C. Slevin.
Sloan — "warrior". Sloane, Slone.
Somhairle — (SORE-leh) Irish version of Old Norse-Viking name meaning "summer-farer" or "summer wanderer". Sorley, Sumerled, Summerled, Sommerly, Somerly.
Steafαn — (STEF-ahn)(Gr) "crowned with laurel". Stephen, Stiofan.
Strahan — "minstrel". Sruthan, Strachan.
Struthers — from a word meaning "brook". Sruthair.
Sualtam — husband of Dechtire and foster-father of Cu Chulainn. His severed head warned men of Ulster about Maeve's attack.
Suibhne — (SHEEV-ne) from Old Irish Suibne, of several early saints and kings. King Suibne Gelt (Mad Sweeney) went insane at the battle of Mag Rath in 637 as a result of a curse put upon him by a saint he had insulted. Spent the rest of his life living in trees and composing nature poetry. Sweeney.
Sullivan — "black eyed". Suileabhan, Sully.
Sweeney — "small hero"; variant of Suibhne. Suidhne.

Tadhg — (TAYG)(Gr) "poet" or "honors god"; form of Timothy. Tadc, Tiomoid, Teague, Taidgh, Tiege.
Taggart — from a word meaning "son of the priest".
Tarlach — (TAHR-lak) "abettor" or "instigator". From Old Irish Tairdelbach, prob. meaning "one who assists or aids". Popular during Middle Ages. Two kings: Tairdelbach, King of Munster, and Tairdelbach O'Connor, King of Ireland. Tairdelbach, Toirdhealbhach, Turlough..
Tιadσir — (TEH-dohr)(Gr) "divine gift".
Teagan — "attractive".
Teague — "bard" or "poet, philosopher". Teagan.
Thady — (Aramaic) "praise"; Irish version of Thaddeus.
Tiarnach — (TEER-nahk or TEAR-nakh) from Old Irish Tigernach, from tigerna "lord, superior, chief". Name of several saints, including St. Tigernach of Clones. Tiarchnach, Tighearnach, Tierney
Tiarnan — (TEER-nawn) from Old Irish Tigernan: tigerna "lord, superior, chief" + dim. -an. Popular in early and medieval Ireland; name of several kings and saints, including St. Tigernan of County Mayo. Tier, Tighearnach, Tiernan.
Tiernan — "lordly". Tierney.
Tigernach — from tigern "lord". Tighearnach, Tiarnach.
Tigernan — from tigern "lord". Tighearnan, Tiarnan.
Tiomσid — (TEE-mohd)(Gr) "honors god". Timothy, Tim.
Toirdhealbhach — (TORE-uh-law) Turlough.
Tomaisin — (TA-ma-seen)(H) "twin"; Irish version of Thomas. Tommy.
Tomαs — (TA-mahs)(H) "twin". Thomas.
Tomey — (TA-mahs) Irish form of Thomas. Tomas.
Torin — "chieftain". Toryn.
Tormey — Irish adaption of the Viking god Thor, "thunder spirit". Tormaigh.
Torn — Irish version of Torrence. Toran.
Torrance — (Gael) "tender, gracious, good, from the knolls"; form of Terrence. Torrans, Tory.
Treasach — (TRAH-sak) from Old Irish Tressach "fierce, warlike". Tracy.
Tremain — (Celt) place name for stone house.
Trevor — "prudent". Trev, Treabhar.
Troy — from a word meanings "foot soldier".
Tulley — "at peace with God". Taicligh.
Tynan — from the word "dark".
Tyrone — (teer-OHN) from Old Irish tir "land" + Eoghain "of Eoghan" (man's name). Name of a County in Northern Ireland and used as a first name.

Uaine — (OON-yuh) old Irish name, form of Owen; "young warrior". Owain, Owen, Oney, Owney, Hewney.
Uileog — (IH-lig) dim. of Uilliam and Liam. Ulick.
Uilliam — (UHL-yahm, or WIL-yam)(Teut) "resolute protector"; from Old German Wilhelm. William, Liam.
Uinseann — (WIN-shen)(L) "conqueror"; Irish version of Vincent. Uistean, Uisdean.
Ϊistean — (OOSH-tchen, or ISH-tchen)(Teut) "intelligence". Euston, Hugh.
Ultan — "an Ulsterman".
Uscias — master of wisdom who lived in Findias, one of the four cities the Tuatha De Danann came from. He gave Nuada the sword that killed all enemies.

Vailintνn — form of Valentine, Latin for "healthy".
Vaughn — (Celt) "small". Vaughan.

Wynne — (WIN)(Celt) "white, fair". Winn, Wynn.

Y — form of Aodh, found in 15th C. documents.

Zephan — (ZEF-ahn) listed as a name of an Irish saint.